WINEGROWERS, COOPERATIVE CELLARS AND WINE MERCHANTS Mor than 6 000 wine producers in the Loire Valley are daily working . 2 differents groups contribute to the development of the Loire Valley Wines: winemakers (winegrowers – cooperative cellars) and merchants. Discover WINE BROTHERHOODS The wine brotherhoods are promoting the Loire Valley Wines while wine events. There are twenty differents brotherhoods in the Loire Valley. Discover